Base | Representation |
---|---|
bin | 10000111101011011… |
… | …00110111011100100 |
3 | 212111120001102220100 |
4 | 20132231212323210 |
5 | 122121413111022 |
6 | 4103300104100 |
7 | 441430661016 |
oct | 103655467344 |
9 | 25446042810 |
10 | 9105207012 |
11 | 3952719880 |
12 | 1921395030 |
13 | b214c7b75 |
14 | 6253a01b6 |
15 | 38455e1ac |
hex | 21eb66ee4 |
9105207012 has 72 divisors (see below), whose sum is σ = 25786942272. Its totient is φ = 2684577600.
The previous prime is 9105207011. The next prime is 9105207073. The reversal of 9105207012 is 2107025019.
It is not an unprimeable number, because it can be changed into a prime (9105207011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296064 + ... + 325367.
It is an arithmetic number, because the mean of its divisors is an integer number (358151976).
Almost surely, 29105207012 is an apocalyptic number.
It is an amenable number.
9105207012 is an abundant number, since it is smaller than the sum of its proper divisors (16681735260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9105207012 is a wasteful number, since it uses less digits than its factorization.
9105207012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 621489 (or 621484 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 27.
The square root of 9105207012 is about 95421.2083972950. The cubic root of 9105207012 is about 2088.1576074496.
The spelling of 9105207012 in words is "nine billion, one hundred five million, two hundred seven thousand, twelve".
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